Apple Watch Series 9 Technical Specifications
Material and Finish
Aluminum case
Pink, Midnight, Starlight, Silver, (PRODUCT)RED
Stainless steel case
Gold, Silver, Graphite
Size and Weight
- Height: 45mm
- Width: 38mm
- Depth: 10.7mm
- Weight (aluminum, GPS):
38.7 grams - Weight (aluminum, GPS + Cellular):
39.0 grams - Weight (stainless steel):
51.5 grams - Fits 140–245mm wrists
- Height: 41mm
- Width: 35mm
- Depth: 10.7mm
- Weight (aluminum, GPS):
31.9 grams - Weight (aluminum, GPS + Cellular):
32.1 grams - Weight (stainless steel):
42.3 grams - Fits 130–200mm wrists
Hardware and Buttons
Digital Crown
Microphone
Side button
Electrical
heart sensor
Speaker/air vent
Optical heart sensor
Controls
- Digital Crown with haptic feedback
- Side button
- Double tap gesture
- Siri with on‑device processing
Chip
- S9 SiP with 64‑bit dual‑core processor
- 4‑core Neural Engine
- 64GB capacity
Sensors
- Electrical heart sensor
- Third‑generation optical heart sensor
- Temperature sensing1
- Compass
- Always‑on altimeter
- High‑g accelerometer
- High dynamic range gyroscope
- Ambient light sensor
Display
- Always‑On Retina LTPO OLED display
- Edge‑to‑edge display
- Ion‑X front glass (aluminum cases)
- Sapphire front crystal (stainless steel cases)
- Up to 2000 nits maximum brightness
- 1 nit minimum brightness
- 326 pixels per inch
Workouts and Activity
- Custom interval workouts
- Customizable Workout Views
- Heart Rate Zones
- Race Route
- Stride length, ground contact time, and vertical oscillation
- Automatic track detection
- Multisport workout
- Bearing, incline, elevation, and coordinates
- Custom waypoints
- Automatically generated waypoints to cellular connectivity
- Backtrack GPS data
- Topographic maps for over 1000 national and regional parks (U.S. only)
- Average speed, elevation gained, and distance
- Connection to cycling accessories via Bluetooth
- Functional Threshold Power
- Power Zones
- Cadence
- Live Activity on iPhone
- Pool swim or open water swim
- Splits and auto sets
- SWOLF score
- Automatic stroke detection
- Kickboard
- Average pace, total distance, and laps
More Workouts
Accessibility
Built‑in accessibility features supporting vision, mobility, hearing, and cognitive disabilities.
- VoiceOver
- Zoom
- On/Off Labels
- Reduce Transparency
- Increase Contrast
- Color Filters
- Text Size
- Bold Text
- Reduce Motion
- Hourly Chimes
- AssistiveTouch
- Button Click Speed
- Touch Accommodations
- Auto-Answer Calls
- Type to Siri
- RTT Support
- Audio Volume Balance
- Auto Transcription
- Live Speech
- Accessibility Shortcut
- Mono Audio
- Taptic Time
- Personal Voice
Environmental Requirements
Operating temperature:
32° to 95° F (0° to 35° C)
Nonoperating storage temperature:
−4° to 113° F (−20° to 45° C)
Relative humidity:
5% to 90% noncondensing
Operating altitude:
0 feet to 10,000 feet (0m to 3000m)
